144414331 has 4 divisors (see below), whose sum is σ = 144445392. Its totient is φ = 144383272.

The previous prime is 144414323. The next prime is 144414353. The reversal of 144414331 is 133414441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144414331 - 2³ = 144414323 is a prime.

It is a super-2 number, since 2×144414331² = 41710997996355122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144414296 and 144414305.

It is not an unprimeable number, because it can be changed into a prime (144414301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6991 + ... + 18376.

It is an arithmetic number, because the mean of its divisors is an integer number (36111348).

Almost surely, 2^144414331 is an apocalyptic number.

144414331 is a deficient number, since it is larger than the sum of its proper divisors (31061).

144414331 is an equidigital number, since it uses as much as digits as its factorization.

144414331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31060.

The product of its digits is 2304, while the sum is 25.

The square root of 144414331 is about 12017.2513912292. The cubic root of 144414331 is about 524.6505078333.

Adding to 144414331 its reverse (133414441), we get a palindrome (277828772).

The spelling of 144414331 in words is "one hundred forty-four million, four hundred fourteen thousand, three hundred thirty-one".